@mixin border-box {
	-webkit-box-sizing: border-box;
	-moz-box-sizing: border-box;
	box-sizing: border-box;
}

%clearfix {
	*zoom: 1;
	&:before,
	&:after {
		content: " ";
		display: table;
	}
	&:after {
		clear: both;
	}
}